Home / 53,448.99-73,699.25-39,977.07

Finding the Fourth Proportional to 53,448.99, 73,699.25 and 39,977.07

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Solution

The fourth proportional to 53,448.99, 73,699.25 and 39,977.07 is: 55,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,448.99 : 73,699.25 = 39,977.07 : x
  2. Step 2: Convert to fraction form
    53,448.99/73,699.25 = 39,977.07/x
  3. Step 3: Cross multiply
    53,448.99x = 73,699.25 × 39,977.07
  4. Step 4: Simplify right side
    53,448.99x = 2,946,279,876.31
  5. Step 5: Solve for x
    x = 2,946,279,876.31/53,448.99
  6. Step 6: Final answer
    x = 55,123.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.